Computer keyboard



FIG. 1 is a perspective front view of a computer keyboard;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof the opposite side being a mirror image;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The keys are shown in broken lines in the views for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a computer keyboard, as shown and described. 